Question 554241
The sum of the angles of a triangle = 180 degrees
given:
the angles are:
{{{ f }}}, {{{ 2f }}}, and {{{ 3f }}}
{{{ f + 2f + 3f = 180 }}}
{{{ 6f = 180 }}}
{{{ f = 30 }}}
{{{ 2f = 60 }}}
{{{ 3f = 90 }}}
The angles are 30, 60, and 90 degrees